{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0x69747de44d0842bce838e7395f4b50e0f84bfa3e7bd33422b8fa68cbaa792414",
    "signature": "0xec2374211704486cf32b2b01c884fdef0c16e28bdeab0fc3bd32d9802a3cf5164e546216f58378355d8b5ff6219e058cda22c95aedf9dbdb81479b84b5c496441c",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}